/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: LIUYANJIAO
 * Date: 2024-08-08
 * Time: 20:05
 */
public class Main {
    public static void main(String[] args) {
        int a=10;
        Integer b=Integer.valueOf(a);

        int c=b.intValue();

        System.out.println(a+"    "+b+"     "+c+"    ");

    }
}